Op 04-11-15 om 20:10 schreef Paulo Zanoni:
> In function find_compression_threshold() we try to over-allocate CFB
> space in order to reudce reallocations and fragmentation, and we're
> not considering that at the CFB size check. Consider it.
>
> There is also a longer-term plan to kill
> dev_priv->fbc.uncompressed_size, but this will come later.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_fbc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c 
> b/drivers/gpu/drm/i915/intel_fbc.c
> index dee99c9..e99aacc 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -719,7 +719,8 @@ static int intel_fbc_setup_cfb(struct intel_crtc *crtc)
>       size = intel_fbc_calculate_cfb_size(crtc);
>       cpp = drm_format_plane_cpp(fb->pixel_format, 0);
>  
> -     if (size <= dev_priv->fbc.uncompressed_size)
> +     if (dev_priv->fbc.compressed_fb.allocated &&
> +         size <= dev_priv->fbc.compressed_fb.size * dev_priv->fbc.threshold)
>               return 0;
>  
>       /* Release any current block */
Should i8xx_fbc_enable be changed too then?

Rest of the patches look ok, applied those.
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